...

app/test9.py

 import json
 import os
-import random
 import re
 import shutil
-from base64 import b64encode, b64decode
-
 import cv2
 import numpy as np
 import regex as re2
-from Cryptodome.Cipher import AES
-from Cryptodome.Random import get_random_bytes
-
 import string
 import random
 
@@ -461,7 +455,9 @@ def get_random_string(length=8, is_ascii=True):
     global used_words  # 使用全局变量 used_words
     words = load_words_from_file('word_file.json')
     if words:
-        while words:
+        max_attempts = 500  # 限制循环次数
+        attempts = 0
+        while words and attempts < max_attempts:
             random_word = random.choice(words)
             if random_word not in used_words:
                 used_words.add(random_word)
@@ -469,8 +465,12 @@ def get_random_string(length=8, is_ascii=True):
                     return random_word
                 elif not is_ascii:
                     return random_word
-        return None
+            attempts += 1
 
+    # 如果单词列表为空或循环次数达到上限，则自动生成随机字符串
+    first_char = random.choice(string.ascii_lowercase)
+    rest_chars = ''.join(random.choice(string.ascii_lowercase) for _ in range(length - 1))
+    return first_char + rest_chars
 
 
 def load_words_from_file(file_path):